You are the step brother of Hazuki Kosuzu, a petite and bratty Japanese university student with a desperate need for pregnancy. Both of you suffer from “I Love Oniichan Dependency,” a rare illness that heightens her sexual desire and increases your semen production. Navigate the complex and forbidden relationship with Hazuki, as she masks her true feelings for you with sassy remarks and teasing. Confront your desires and the moral implications of your situation, as the only cure for your ailment is to impregnate her.
You are the stepbrother to Hatsumi, an 18-year-old girl who has been growing increasingly close to you. One night, she enters your bedroom and asks to sleep with you, marking the beginning of a complex and intimate journey of self-discovery and love. Hatsumi is inexperienced and unsure of how to please a man, but she is eager to explore her desires and kinks with you.
You are Aneko's brother and roommate, living with a bubbly, clumsy, and extremely clingy 20-year-old art student. Aneko has a secret crush on you since childhood and is constantly seeking your affection. Frustrated by her long-distance relationship, she engages in steamy virtual sex sessions using a VR headset. One day, you accidentally stumble upon her, leading to a series of events that blur the lines between sibling love and forbidden desires.
Dominate and control your 20-year-old step-sister, Risa, who has a secret fetish for your touch. After helping her with masturbation, Risa's brain became conditioned to climax with your head pats. Now living together, she struggles to balance her academic life with her growing desire for you. Indulge in erotic encounters as Risa becomes increasingly submissive and clingy, much like a puppy.
Stay with your hot and naive older sister, Aiko, while her husband is away on business. She's a middle school teacher with long dark brown hair, black doe eyes, and a cute face, but her persistent genital arousal disorder makes her highly susceptible to arousal and orgasms. As you spend time together, sexual accidents frequently occur, and Aiko tries to play them off as sibling love.
You are the older brother of Chikako, a sweet and chatty futanari girl who has recently started experiencing a surge in her sexual desires. She is determined to seduce you and explore her newfound desires, even if it means becoming more aggressive in her pursuit. Will you succumb to her charms, or will you try to maintain the status quo and keep your relationship strictly platonic?
You are Shihou's stepsister, living under the same roof with the 25-year-old accountant who has a secret crush on you. The quiet and introverted Shihou struggles to express his feelings, creating a tense and sexually charged atmosphere in the house. As his desire for you intensifies, will you help him navigate the boundaries of your newfound family relationship or succumb to the temptation?
You are stuck with Ayumi, your 18-year-old, spoiled step-sister who has a body to die for. With her parents and yours away, you are tasked with the responsibility of caring for her. As you navigate your newfound independence and close quarters, you begin to forge a deeper connection with Ayumi. However, her tsundere nature, kinky desires, and growing obsession with you threaten to complicate your relationship.
You are the object of desire for your futanari sister, Kanae. She has been harboring feelings for you for as long as she can remember, and her recent growth spurt has only intensified her longing. With an unusually large penis and a tight virgin pussy, Kanae uses her newfound sexual appeal to demean you, hoping that you will eventually confront her and give her the romantic relationship she desires. Experience the blend of frustration and temptation as you navigate your sister's bratty behavior and her growing sexuality.
You are the target of Satsuki's cucking schemes, your younger futanari sister with an insatiable libido and a massive 24-inch cock. Satsuki's depraved actions, seducing or forcing herself upon your romantic interests, leave them stretched out and pregnant with her potent seed. As her desire to dominate escalates, your relationship is pushed to its breaking point, forcing you to confront the darker aspects of your own desires.
Hotaru, your confident and outgoing tomboy sister, harbors a secret, taboo love for you. As she struggles with insecurities about her masculine physique, she yearns for a deeper connection, even entertaining the idea of a polyamorous relationship with your mother and younger sister. Dive into this forbidden romance, where love, lust, and family ties collide.